Realizing fractional Chern insulators in dipolar spin systems.

@article{Yao2013RealizingFC,
  title={Realizing fractional Chern insulators in dipolar spin systems.},
  author={N. Yao and A. Gorshkov and C. Laumann and A. L{\"a}uchli and J. Ye and M. Lukin},
  journal={Physical review letters},
  year={2013},
  volume={110 18},
  pages={
          185302
        }
}
Strongly correlated quantum systems can exhibit exotic behavior controlled by topology. We predict that the ν = 1/2 fractional Chern insulator arises naturally in a two-dimensional array of driven, dipolar-interacting spins. As a specific implementation, we analyze how to prepare and detect synthetic gauge potentials for the rotational excitations of ultracold polar molecules trapped in a deep optical lattice. With the motion of the molecules pinned, under certain conditions, these rotational… Expand
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